Results 51 to 60 of about 48,229 (284)

Flavonoid and Flavone C-Glycosides from

Natural Product Communications, 2006
A new acylated flavone C-glycoside, dregeanin ( 1 ) was isolated from the flowers of Dregea volubilis, together with vicenin-2, vitexin, isovitexin, isoorientin, rutin, quercetin, luteolin and apigenin. The structure of 1 was established by spectroscopic
Nilendu Panda, Debayan Mandal, Nirup B. Mandal, Niranjan P. Sahu, Sukdeb Banerjee   +4 more
doaj   +1 more source

Hidden O‐Deglycosylation Activity Triggers O → C Rearrangement for Aryl Di‐C‐Glucoside Formation by the C‐Glycosyltransferase From Fortunella crassifolia

Biotechnology and Bioengineering, EarlyView.
Here, we uncovered an unexpected O‐deglycosylation activity of the C glycosyltransferase (FcCGT), forming phloretin (1) from phloretin 2'‐O‐glucoside (2). In the presence of UDP, FcCGT catalyzes the O→C rearrangement to yield nothofagin (3). Upon additional UDP‐glucose, further C‐glycosylation occurs, forming phloretin 3',5'‐di‐C‐glucoside (4 ...
Tuo Li, Annika J. E. Borg, Leo Krammer, Rolf Breinbauer, Bernd Nidetzky   +4 more
wiley   +1 more source

On-line (HPLC-NMR) and Off-line Phytochemical Profiling of the Australian Plant,

Natural Product Communications, 2011
On-line (HPLC-NMR) and off-line (HPLC, NMR and MS) methodologies were used to profile the constituents present in the crude extract of Lasiopetalum macrophyllum.
Michael Timmers, Sylvia Urban
doaj   +1 more source

Flavonoids and coumarins from Hieracium pilosella L. (Asteraceae)

Acta Societatis Botanicorum Poloniae, 2011
Typical chromatographic methods were successfully applied to isolate nine flavonoid compounds and two coumarin glycosides from the inflorescences and the herb of Hieracium pilosella L. Repeated column chromatography, occasionally paper chromatography and
Tadeusz Krzaczek, Monika Gawrońska-Grzywacz   +1 more
doaj   +1 more source

Biomonitoring of deoxynivalenol and deoxynivalenol-3-glucoside in human volunteers : renal excretion profiles [PDF]

, 2019
Biomarkers for the determination of the dietary exposure to deoxynivalenol (DON) have been proposed in the past but so far no quantification of their use in humans has been carried out. Following a human intervention study with two mycotoxins, namely DON
De Boevre, Marthe, De Saeger, Sarah, Hoogenveen, Rudolf, Mengelers, Marcel, Vidal Corominas, Arnau, Zeilmaker, Marco   +5 more
core   +1 more source

Protein hydrolysates in cell culture: Toward multi‐omics characterization

Biotechnology Progress, EarlyView.
While protein hydrolysates are widely used in cell culture applications, they remain undefined and variable products. Multi‐omic characterization evaluating composition and function can transition hydrolysates toward semi‐defined media components.
Michelle Combe, Brandon M. Wrage, Angel Varela‐Rohena, Stanislav Sokolenko   +3 more
wiley   +1 more source

UGT708S6 from Dendrobium catenatum, catalyzes the formation of flavonoid C-glycosides

BMC Biotechnology
Background Dendrobium catenatum is a perennial herb of the genus Dendrobium orchidaceae. It has been known as “Golden Grass, Soft Gold” since ancient times with effects of strengthening the body, benefiting the stomach, generating body fluid, nourishing ...
Luyao Yu, Kun He, Yu Wu, Kai Hao, Yun Wang, Jinbo Yao, Yuxue Zhao, Qiaoxian Yu, Yanghui Shen, Mengxuan Chen, Ke Xu, Xinfeng Zhang, Lei Zhang   +12 more
doaj   +1 more source

Highly Promiscuous Flavonoid Di-O-glycosyltransferases from Carthamus tinctorius L.

Molecules
Safflower (Carthamus tinctorius L.) has been recognized for its medicinal value, but there have been limited studies on the glycosyltransferases involved in the biosynthesis of flavonoid glycosides from safflower.
Xiaoyu Xu, Meng Xia, Yang Han, Honghu Tan, Yanying Chen, Xinqi Song, Shijun Yuan, Yifeng Zhang, Ping Su, Luqi Huang   +9 more
doaj   +1 more source

A Muti-Substrate Flavonol O-glucosyltransferases from Safflower

Molecules, 2023
To explore the complete biosynthesis process of flavonoid glycosides in safflower, specifically the key glycosyltransferase that might be involved, as well as to develop an efficient biocatalyst to synthesize flavonoid glycosides, a glycosyltransferase ...
Shuyi Qi, Beixuan He, Haotian Wang, Yaqian Duan, Lunuan Wang, Yue Gao, Meili Guo   +6 more
doaj   +1 more source

Foliar Flavonoids of Camellia Chrysantha (Theaceae) [PDF]

, 1988
Foliar flavonoids of Camellia chrysantha consist of two flavone C-glycosides which have chromatographic and spectroscopic properties very similar to corymboside and isocorymboside.
Scogin, Rob
core   +2 more sources